40 Questions
What is the role of receptors in the body's response to environmental stimuli?
Detect changes in the external and internal environments
Which of the following is an example of an effector in the body's response system?
Glands that secrete hormones
What is the main function of neurons in the nervous system?
Transmit nerve impulses
What is the specialized structure in the eye that detects light and color?
Rods and cones
How do effectors respond to impulses sent by the nervous system?
By contracting muscles or secreting substances
Which part of the human nervous system is responsible for processing and interpreting sensory information?
Central nervous system
Which nervous system division controls involuntary actions in the body?
Autonomic nervous system
What type of responses are reflex actions?
Rapid and automatic
During a reflex action, which part of the nervous system allows for a quick response without involving the brain?
Reflex arc
What components are integral for the body's ability to respond to environmental changes?
Receptors, neurons, and effectors
What is the main function of receptors in the body's response to environmental stimuli?
Detect changes in the external and internal environments
Which component of a neuron receives signals from other neurons or receptors?
Dendrites
What kind of stimuli can photoreceptors in the eye detect?
Light and color
Which part of a neuron is responsible for transmitting the nerve impulse to other neurons or effectors?
Axon
How do effectors respond to impulses sent by the nervous system?
Contract muscles or secrete substances
What is the primary role of neurons in the nervous system?
Transmit nerve impulses
Which of the following is an example of an effector in the body's response system?
Glands that secrete hormones
Which division of the peripheral nervous system controls involuntary actions in the body?
Autonomic nervous system
What type of response are reflex actions?
Rapid and automatic
Which part of the human nervous system allows for a quick response in reflex actions but does not involve the brain?
Interneurons in the spinal cord
What is the main function of effectors in the body's response to environmental changes?
Produce responses
Which part of the nervous system is responsible for processing and interpreting sensory information?
Central nervous system
What type of neurons activate the muscles to pull the hand away from a hot object during a reflex action?
Motor neurons
Which part of the peripheral nervous system controls voluntary actions in the body?
Somatic nervous system
What is the role of receptors in the body's response to environmental stimuli?
Detect stimuli
What is the primary function of a receptor in the body's response to environmental stimuli?
Detect changes in the environment
Which component of a neuron is responsible for receiving signals?
Dendrite
What is the role of neurons in the nervous system?
Transmit signals to effectors
In the nervous system, what is the function of effectors?
Respond to impulses sent by the nervous system
What is the main function of photoreceptors in the eye?
Detect light and color
Which part of a neuron transmits the nerve impulse to other neurons or effectors?
Axon
What happens when a muscle cell (effector) receives an impulse from the nervous system?
Contracts, leading to movement
What are the two main divisions of the human nervous system?
Central and Peripheral Nervous System
Which part of the nervous system is responsible for controlling involuntary actions?
Autonomic Nervous System
In a reflex arc, which component is responsible for processing and interpreting sensory information?
Interneurons
What is the main function of effectors in the body's response to environmental changes?
Initiate Muscle Movements
During a reflex action, which part of the nervous system bypasses the brain to allow for a quick response?
Reflex Arc
Which structure is responsible for detecting light and color in the human body?
Photoreceptors in the Eye
What is the role of neurons in maintaining homeostasis and protecting the body?
Processing Information
Which type of neurons activate muscles during a reflex action to withdraw a hand from a hot object?
Motor Neurons
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